1
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Yao Y, Chen K, Pan Q, Gao H, Su W, Zheng S, Dong W, Qian D. Redifferentiation of genetically modified dedifferentiated chondrocytes in a microcavitary hydrogel. Biotechnol Lett 2024; 46:483-495. [PMID: 38523201 DOI: 10.1007/s10529-024-03475-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/11/2024] [Accepted: 02/15/2024] [Indexed: 03/26/2024]
Abstract
OBJECTIVES We genetically modified dedifferentiated chondrocytes (DCs) using lentiviral vectors and adenoviral vectors encoding TGF-β3 (referred to as transgenic groups below) and encapsulated these DCs in the microcavitary hydrogel and investigated the combinational effect on redifferentiation of the genetically manipulated DCs. RESULTS The Cell Counting Kit-8 data indicated that both transgenic groups exhibited significantly higher cell viability in the first week but inferior cell viability in the subsequent timepoints compared with those of the control group. Real-time polymerase chain reaction and western blot analysis results demonstrated that both transgenic groups had a better effect on redifferentiation to some extent, as evidenced by higher expression levels of chondrogenic genes, suggesting the validity of combination with transgenic DCs and the microcavitary hydrogel on redifferentiation. Although transgenic DCs with adenoviral vectors presented a superior extent of redifferentiation, they also expressed greater levels of the hypertrophic gene type X collagen. It is still worth further exploring how to deliver TGF-β3 more efficiently and optimizing the appropriate parameters, including concentration and duration. CONCLUSIONS The results demonstrated the better redifferentiation effect of DCs with the combinational use of transgenic TGF-β3 and a microcavitary alginate hydrogel and implied that DCs would be alternative seed cells for cartilage tissue engineering due to their easily achieved sufficient cell amounts through multiple passages and great potential to redifferentiate to produce cartilaginous extracellular matrix.
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Affiliation(s)
- Yongchang Yao
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China.
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China.
| | - Ke Chen
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
- Emergency Department, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, Guangdong, China
| | - Qian Pan
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
| | - Hui Gao
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
| | - Weixian Su
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
| | - Shicong Zheng
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
| | - Weiqiang Dong
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
| | - Dongyang Qian
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510120, Guangdong, China
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Pan Q, Su W, Yao Y. Progress in microsphere-based scaffolds in bone/cartilage tissue engineering. Biomed Mater 2023; 18:062004. [PMID: 37751762 DOI: 10.1088/1748-605x/acfd78] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 09/26/2023] [Indexed: 09/28/2023]
Abstract
Bone/cartilage repair and regeneration have been popular and difficult issues in medical research. Tissue engineering is rapidly evolving to provide new solutions to this problem, and the key point is to design the appropriate scaffold biomaterial. In recent years, microsphere-based scaffolds have been considered suitable scaffold materials for bone/cartilage injury repair because microporous structures can form more internal space for better cell proliferation and other cellular activities, and these composite scaffolds can provide physical/chemical signals for neotissue formation with higher efficiency. This paper reviews the research progress of microsphere-based scaffolds in bone/chondral tissue engineering, briefly introduces types of microspheres made from polymer, inorganic and composite materials, discusses the preparation methods of microspheres and the exploration of suitable microsphere pore size in bone and cartilage tissue engineering, and finally details the application of microsphere-based scaffolds in biomimetic scaffolds, cell proliferation and drug delivery systems.
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Affiliation(s)
- Qian Pan
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, People's Republic of China
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, People's Republic of China
| | - Weixian Su
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, People's Republic of China
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, People's Republic of China
| | - Yongchang Yao
- Department of Joint Surgery, The Key Laboratory of Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, People's Republic of China
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Advanced Interdisciplinary Studies Center, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, People's Republic of China
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Ding Y, Zhang W, Sun B, Mo X, Wu J. Cyclic freeze–thaw grinding to decellularize meniscus for fabricating porous, elastic scaffolds. J Biomed Mater Res A 2022; 110:1824-1839. [DOI: 10.1002/jbm.a.37435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/23/2022] [Accepted: 07/27/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Yangfan Ding
- Shanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine, College of Biologial Science and Medical Engineering Donghua University Shanghai China
| | - Weixing Zhang
- Department of Critical Care Medicine, Shanghai General Hospital Shanghai Jiao Tong University School of Medicine Shanghai China
| | - Binbin Sun
- Shanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine, College of Biologial Science and Medical Engineering Donghua University Shanghai China
| | - Xiumei Mo
- Shanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine, College of Biologial Science and Medical Engineering Donghua University Shanghai China
| | - Jinglei Wu
- Shanghai Engineering Research Center of Nano‐Biomaterials and Regenerative Medicine, College of Biologial Science and Medical Engineering Donghua University Shanghai China
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Application of Alginate Hydrogels for Next-Generation Articular Cartilage Regeneration. Int J Mol Sci 2022; 23:ijms23031147. [PMID: 35163071 PMCID: PMC8835677 DOI: 10.3390/ijms23031147] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 12/28/2022] Open
Abstract
The articular cartilage has insufficient intrinsic healing abilities, and articular cartilage injuries often progress to osteoarthritis. Alginate-based scaffolds are attractive biomaterials for cartilage repair and regeneration, allowing for the delivery of cells and therapeutic drugs and gene sequences. In light of the heterogeneity of findings reporting the benefits of using alginate for cartilage regeneration, a better understanding of alginate-based systems is needed in order to improve the approaches aiming to enhance cartilage regeneration with this compound. This review provides an in-depth evaluation of the literature, focusing on the manipulation of alginate as a tool to support the processes involved in cartilage healing in order to demonstrate how such a material, used as a direct compound or combined with cell and gene therapy and with scaffold-guided gene transfer procedures, may assist cartilage regeneration in an optimal manner for future applications in patients.
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Hu X, Zhang W, Li X, Zhong D, Li Y, Li J, Jin R. Strategies to Modulate the Redifferentiation of Chondrocytes. Front Bioeng Biotechnol 2021; 9:764193. [PMID: 34881234 PMCID: PMC8645990 DOI: 10.3389/fbioe.2021.764193] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 11/01/2021] [Indexed: 01/17/2023] Open
Abstract
Because of the low self-healing capacity of articular cartilage, cartilage injuries and degenerations triggered by various diseases are almost irreversible. Previous studies have suggested that human chondrocytes cultured in vitro tend to dedifferentiate during the cell-amplification phase and lose the physiological properties and functions of the cartilage itself, which is currently a critical limitation in the cultivation of cartilage for tissue engineering. Recently, numerous studies have focused on the modulation of chondrocyte redifferentiation. Researchers discovered the effect of various conditions (extracellular environment, cell sources, growth factors and redifferentiation inducers, and gene silencing and overexpression) on the redifferentiation of chondrocytes during the in vitro expansion of cells, and obtained cartilage tissue cultured in vitro that exhibited physiological characteristics and functions that were similar to those of human cartilage tissue. Encouragingly, several studies reported positive results regarding the modulation of the redifferentiation of chondrocytes in specific conditions. Here, the various factors and conditions that modulate the redifferentiation of chondrocytes, as well as their limitations and potential applications and challenges are reviewed. We expect to inspire research in the field of cartilage repair toward the future treatment of arthropathy.
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Affiliation(s)
- Xiaoshen Hu
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Weiyang Zhang
- Shool of Sports Medicine and Health, Chengdu Sport University, Chengdu, China
| | - Xiang Li
- School of Acupuncture-Moxibustion and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Dongling Zhong
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yuxi Li
- School of Acupuncture-Moxibustion and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Juan Li
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Rongjiang Jin
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Chondrogenic Potential of Human Dental Pulp Stem Cells Cultured as Microtissues. Stem Cells Int 2021; 2021:7843798. [PMID: 34539791 PMCID: PMC8443354 DOI: 10.1155/2021/7843798] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/22/2021] [Accepted: 08/16/2021] [Indexed: 11/18/2022] Open
Abstract
Several tissue engineering stem cell-based procedures improve hyaline cartilage repair. In this work, the chondrogenic potential of dental pulp stem cell (DPSC) organoids or microtissues was studied. After several weeks of culture in proliferation or chondrogenic differentiation media, synthesis of aggrecan and type II and I collagen was immunodetected, and SOX9, ACAN, COL2A1, and COL1A1 gene expression was analysed by real-time RT-PCR. Whereas microtissues cultured in proliferation medium showed the synthesis of aggrecan and type II and I collagen at the 6th week of culture, samples cultured in chondrogenic differentiation medium showed an earlier and important increase in the synthesis of these macromolecules after 4 weeks. Gene expression analysis showed a significant increase of COL2A1 after 3 days of culture in chondrogenic differentiation medium, while COL1A1 was highly expressed after 14 days. Cell-cell proximity promotes the chondrogenic differentiation of DPSCs and important synthesis of hyaline chondral macromolecules.
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7
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Yao Y, Wang C. Dedifferentiation: inspiration for devising engineering strategies for regenerative medicine. NPJ Regen Med 2020; 5:14. [PMID: 32821434 PMCID: PMC7395755 DOI: 10.1038/s41536-020-00099-8] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 07/08/2020] [Indexed: 02/07/2023] Open
Abstract
Cell dedifferentiation is the process by which cells grow reversely from a partially or terminally differentiated stage to a less differentiated stage within their own lineage. This extraordinary phenomenon, observed in many physiological processes, inspires the possibility of developing new therapeutic approaches to regenerate damaged tissue and organs. Meanwhile, studies also indicate that dedifferentiation can cause pathological changes. In this review, we compile the literature describing recent advances in research on dedifferentiation, with an emphasis on tissue-specific findings, cellular mechanisms, and potential therapeutic applications from an engineering perspective. A critical understanding of such knowledge may provide fresh insights for designing new therapeutic strategies for regenerative medicine based on the principle of cell dedifferentiation.
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Affiliation(s)
- Yongchang Yao
- Department of Joint Surgery, The First Affiliated Hospital of Guangzhou Medical University, 510120 Guangzhou, China.,Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Guangzhou, China
| | - Chunming Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
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8
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Cai H, Wang P, Xu Y, Yao Y, Liu J, Li T, Sun Y, Liang J, Fan Y, Zhang X. BMSCs-assisted injectable Col I hydrogel-regenerated cartilage defect by reconstructing superficial and calcified cartilage. Regen Biomater 2020; 7:35-45. [PMID: 32153990 PMCID: PMC7053261 DOI: 10.1093/rb/rbz028] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 07/20/2019] [Accepted: 08/10/2019] [Indexed: 12/27/2022] Open
Abstract
The self-healing capacity of cartilage was limited due to absence of vascular, nervous and lymphatic systems. Although many clinical treatments have been used in cartilage defect repair and shown a promising repair result in short term, however, regeneration of complete zonal structure with physiological function, reconstruction cartilage homeostasis and maintaining long-term repair was still an unbridgeable chasm. Cartilage has complex zonal structure and multiple physiological functions, especially, superficial and calcified cartilage played an important role in keeping homeostasis. To address this hurdle of regenerating superficial and calcified cartilage, injectable tissue-induced type I collagen (Col I) hydrogel-encapsulated BMSCs was chosen to repair cartilage damage. After 1 month implantation, the results demonstrated that Col I gel was able to induce BMSCs differentiation into chondrocytes, and formed hyaline-like cartilage and the superficial layer with lubrication function. After 3 months post-surgery, chondrocytes at the bottom of the cartilage layer would undergo hypertrophy and promote the regeneration of calcified cartilage. Six months later, a continuous anatomical tidemark and complete calcified interface were restored. The regeneration of neo-hyaline cartilage was similar with adjacent normal tissue on the thickness of the cartilage, matrix secretion, collagen type and arrangement. Complete multilayer zonal structure with physiological function remodeling indicated that BMSCs-assisted injectable Col I hydrogel could reconstruct cartilage homeostasis and maintain long-term therapeutic effect.
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Affiliation(s)
- Hanxu Cai
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Peilei Wang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Yang Xu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Ya Yao
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Jia Liu
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, 20 Renmin South Road, Chengdu 610041, P. R. China
| | - Tao Li
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, 20 Renmin South Road, Chengdu 610041, P. R. China
| | - Yong Sun
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Jie Liang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
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9
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Yin H, Wang Y, Sun X, Cui G, Sun Z, Chen P, Xu Y, Yuan X, Meng H, Xu W, Wang A, Guo Q, Lu S, Peng J. Functional tissue-engineered microtissue derived from cartilage extracellular matrix for articular cartilage regeneration. Acta Biomater 2018; 77:127-141. [PMID: 30030172 DOI: 10.1016/j.actbio.2018.07.031] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 07/13/2018] [Accepted: 07/16/2018] [Indexed: 12/21/2022]
Abstract
We developed a promising cell carrier prepared from articular cartilage slices, designated cartilage extracellular matrix (ECM)-derived particles (CEDPs), through processes involving physical pulverization, size screening, and chemical decellularization. Rabbit articular chondrocytes (ACs) or adipose-derived stem cells (ASCs) rapidly attached to the surface of the CEDPs and proliferated with high cell viability under microgravity (MG) condition in a rotary cell culture system (RCCS) or static condition. Gene profiling results demonstrated that ACs expanded on CEDPs exhibited significantly enhanced chondrogenic phenotypes compared with monolayer culture, and that ASCs differentiated into a chondrogenic phenotype without the use of exogenous growth factors. Moreover, MG culture conditions in a RCCS bioreactor were superior to static culture conditions in terms of maintaining the chondrogenic phenotype of ACs and inducing ACS chondrogenesis. With prolonged expansion, functional microtissue aggregates of AC- or ASC-laden CEDPs were formed. Further, AC- or ASC-based microtissues were directly implanted in vivo to repair articular osteochondral defects in a rabbit model. Histological results, biomechanical evaluations, and radiographic assessments indicated that AC- and ASC-based microtissues displayed equal levels of superior hyaline cartilage repair, whereas the other two treatment groups, in which osteochondral defects were treated with CEDPs alone or fibrin glue, exhibited primarily fibrous tissue repair. These findings provide an alternative method for cell culture and stem cell differentiation and a promising strategy for constructing tissue-engineered cartilage microtissues for cartilage regeneration. STATEMENT OF SIGNIFICANCE Despite the remarkable progress in cartilage tissue engineering, cartilage repair still remains elusive. In the present study, we developed a cell carrier, namely cartilage extracellular matrix-derived particles (CEDPs), for cell proliferation of articular chondrocytes (ACs) and adipose-derived stem cells (ASCs), which improved the maintenance of chondrogenic phenotype of ACs, and induced chondrogenesis of ASCs. Moreover, the functional microtissue aggregates of AC- or ASC-laden CEDPs induced equal levels of superior hyaline cartilage repair in a rabbit model. Therefore, our study demonstrated an alternative method for chondrocyte culture and stem cell differentiation, and a promising strategy for constructing tissue-engineered cartilage microtissues for in vivo articular cartilage repair and regeneration.
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Affiliation(s)
- Heyong Yin
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China; Department of Surgery, Ludwig-Maximilians-University (LMU), Nussbaumstr. 20, D-80336 Munich, Germany
| | - Yu Wang
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Xun Sun
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China; Department of Orthopaedics, Tianjin Hospital, No. 406 Jiefang Nan Road, Tianjin 300211, PR China
| | - Ganghua Cui
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Zhen Sun
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Peng Chen
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Yichi Xu
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Xueling Yuan
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Haoye Meng
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Wenjing Xu
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Aiyuan Wang
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Quanyi Guo
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Shibi Lu
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China
| | - Jiang Peng
- Institute of Orthopaedics, Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopaedics, Key Laboratory of Musculoskeletal Trauma & War Injuries, PLA, No. 28 Fuxing Road, Beijing 100853, PR China.
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Yang Y, Lin H, Shen H, Wang B, Lei G, Tuan RS. Mesenchymal stem cell-derived extracellular matrix enhances chondrogenic phenotype of and cartilage formation by encapsulated chondrocytes in vitro and in vivo. Acta Biomater 2018; 69:71-82. [PMID: 29317369 DOI: 10.1016/j.actbio.2017.12.043] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Revised: 12/27/2017] [Accepted: 12/29/2017] [Indexed: 01/24/2023]
Abstract
Mesenchymal stem cell derived extracellular matrix (MSC-ECM) is a natural biomaterial with robust bioactivity and good biocompatibility, and has been studied as a scaffold for tissue engineering. In this investigation, we tested the applicability of using decellularized human bone marrow derived MSC-ECM (hBMSC-ECM) as a culture substrate for chondrocyte expansion in vitro, as well as a scaffold for chondrocyte-based cartilage repair. hBMSC-ECM deposited by hBMSCs cultured on tissue culture plastic (TCP) was harvested, and then subjected to a decellularization process to remove hBMSCs. Compared with chondrocytes grown on TCP, chondrocytes seeded onto hBMSC-ECM exhibited significantly increased proliferation rate, and maintained better chondrocytic phenotype than TCP group. After being expanded to the same cell number and placed in high-density micromass cultures, chondrocytes from the ECM group showed better chondrogenic differentiation profile than those from the TCP group. To test cartilage formation ability, composites of hBMSC-ECM impregnated with chondrocytes were subjected to brief trypsin treatment to allow cell-mediated contraction, and folded to form 3-dimensional chondrocyte-impregnated hBMSC-ECM (Cell/ECM constructs). Upon culture in vitro in chondrogenic medium for 21 days, robust cartilage formation was observed in the Cell/ECM constructs. Similarly prepared Cell/ECM constructs were tested in vivo by subcutaneous implantation into SCID mice. Prominent cartilage formation was observed in the implanted Cell/ECM constructs 14 days post-implantation, with higher sGAG deposition compared to controls consisting of chondrocyte cell sheets. Taken together, these findings demonstrate that hBMSC-ECM is a superior culture substrate for chondrocyte expansion and a bioactive matrix potentially applicable for cartilage regeneration in vivo. STATEMENT OF SIGNIFICANCE Current cell-based treatments for focal cartilage defects face challenges, including chondrocyte dedifferentiation, need for xenogenic scaffolds, and suboptimal cartilage formation. We present here a novel technique that utilizes adult stem cell-derived extracellular matrix, as a culture substrate and/or encapsulation scaffold for human adult chondrocytes, for the repair of cartilage defects. Chondrocytes cultured in stem cell-derived matrix showed higher proliferation, better chondrocytic phenotype, and improved redifferentiation ability upon in vitro culture expansion. Most importantly, 3-dimensional constructs formed from chondrocytes folded within stem cell matrix manifested excellent cartilage formation both in vitro and in vivo. These findings demonstrate the suitability of stem cell-derived extracellular matrix as a culture substrate for chondrocyte expansion as well as a candidate bioactive matrix for cartilage regeneration.
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Affiliation(s)
- Yuanheng Yang
- Department of Orthopaedic Surgery, Xiangya hospital, Central South University, Changsha, Hunan, China; Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; The Third Xiangya hospital, Central South University, Changsha, Hunan, China
| | - Hang Lin
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - He Shen
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, Jiangsu, China
| | - Bing Wang
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Guanghua Lei
- Department of Orthopaedic Surgery, Xiangya hospital, Central South University, Changsha, Hunan, China.
| | - Rocky S Tuan
- Center for Cellular and Molecular Engineering, Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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11
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Sánchez-Téllez DA, Téllez-Jurado L, Rodríguez-Lorenzo LM. Hydrogels for Cartilage Regeneration, from Polysaccharides to Hybrids. Polymers (Basel) 2017; 9:E671. [PMID: 30965974 PMCID: PMC6418920 DOI: 10.3390/polym9120671] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Revised: 11/24/2017] [Accepted: 11/29/2017] [Indexed: 12/12/2022] Open
Abstract
The aims of this paper are: (1) to review the current state of the art in the field of cartilage substitution and regeneration; (2) to examine the patented biomaterials being used in preclinical and clinical stages; (3) to explore the potential of polymeric hydrogels for these applications and the reasons that hinder their clinical success. The studies about hydrogels used as potential biomaterials selected for this review are divided into the two major trends in tissue engineering: (1) the use of cell-free biomaterials; and (2) the use of cell seeded biomaterials. Preparation techniques and resulting hydrogel properties are also reviewed. More recent proposals, based on the combination of different polymers and the hybridization process to improve the properties of these materials, are also reviewed. The combination of elements such as scaffolds (cellular solids), matrices (hydrogel-based), growth factors and mechanical stimuli is needed to optimize properties of the required materials in order to facilitate tissue formation, cartilage regeneration and final clinical application. Polymer combinations and hybrids are the most promising materials for this application. Hybrid scaffolds may maximize cell growth and local tissue integration by forming cartilage-like tissue with biomimetic features.
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Affiliation(s)
- Daniela Anahí Sánchez-Téllez
- Instituto Politécnico Nacional-ESIQIE, Depto. Ing. en Metalurgia y Materiales, UPALM-Zacatenco, Mexico City 07738, Mexico.
- Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine, Centro de Investigación Biomédica en Red-Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Av. Monforte de Lemos 3-5, Pabellón 11, Planta 0, 28029 Madrid, Spain.
| | - Lucía Téllez-Jurado
- Instituto Politécnico Nacional-ESIQIE, Depto. Ing. en Metalurgia y Materiales, UPALM-Zacatenco, Mexico City 07738, Mexico.
| | - Luís María Rodríguez-Lorenzo
- Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine, Centro de Investigación Biomédica en Red-Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Av. Monforte de Lemos 3-5, Pabellón 11, Planta 0, 28029 Madrid, Spain.
- Department Polymeric Nanomaterials and Biomaterials, ICTP-CSIC, Juan de la Cierva 3, 28006 Madrid, Spain.
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Mazor M, Cesaro A, Ali M, Best TM, Lespessaille E, Toumi H. Progenitor Cells from Cartilage: Grade Specific Differences in Stem Cell Marker Expression. Int J Mol Sci 2017; 18:ijms18081759. [PMID: 28805694 PMCID: PMC5578148 DOI: 10.3390/ijms18081759] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 08/07/2017] [Accepted: 08/09/2017] [Indexed: 01/09/2023] Open
Abstract
Recent research has confirmed the presence of Mesenchymal stem cell (MSC)-like progenitors (MPC) in both normal and osteoarthritic cartilage. However, there is only limited information concerning how MPC markers are expressed with osteoarthritis (OA) progression. The purpose of this study was to compare the prevalence of various MPC markers in different OA grades. Human osteoarthritic tibial plateaus were obtained from ten patients undergoing total knee replacement. Each sample had been classified into a mild or severe group according to OARSI scoring. Tissue was taken from each specimen and mRNA expression levels of CD105, CD166, Notch 1, Sox9, Acan and Col II A1 were measured at day 0 and day 14 (2 weeks in vitro). Furthermore, MSC markers: Nucleostemin, CD90, CD73, CD166, CD105 and Notch 1 were studied by immunofluorescence. mRNA levels of MSC markers did not differ between mild and severe OA at day 0. At day 14, protein analysis showed that proliferated cells from both sources expressed all 6 MSC markers. Only cells from the mild OA subjects resulted in a significant increase of mRNA CD105 and CD166 after in vitro expansion. Moreover, cells from the mild OA subjects showed significantly higher levels of CD105, Sox9 and Acan compared with those from severe OA specimens. Results confirmed the presence of MSC markers in mild and severe OA tissue at both mRNA and protein levels. We found significant differences between cells obtained from mild compared to severe OA specimens suggests that mild OA derived cells may have a greater MSC potential.
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MESH Headings
- Aged
- Aged, 80 and over
- Antigens, CD/analysis
- Antigens, CD/genetics
- Biomarkers/analysis
- Cartilage, Articular/metabolism
- Cartilage, Articular/pathology
- Cell Adhesion Molecules, Neuronal/analysis
- Cell Adhesion Molecules, Neuronal/genetics
- Cell Differentiation
- Endoglin/analysis
- Endoglin/genetics
- Fetal Proteins/analysis
- Fetal Proteins/genetics
- Humans
- Knee Joint/metabolism
- Knee Joint/pathology
- Mesenchymal Stem Cells/metabolism
- Mesenchymal Stem Cells/pathology
- Middle Aged
- Osteoarthritis, Knee/genetics
- Osteoarthritis, Knee/pathology
- RNA, Messenger/analysis
- RNA, Messenger/genetics
- SOX9 Transcription Factor/analysis
- SOX9 Transcription Factor/genetics
- Transcriptome
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Affiliation(s)
- Marija Mazor
- Department of Sciences, University of Orleans, I3MTO, EA 4708, Orleans F-45032, France.
| | - Annabelle Cesaro
- Department of Sciences, University of Orleans, I3MTO, EA 4708, Orleans F-45032, France.
| | - Mazen Ali
- Service chirurgie orthopédique et traumatologique Centre Hospitalier Régional d'Orléans, La Source 45000, France.
| | - Thomas M Best
- UHealth Sports Medicine Institute, Department of Orthopedics, Division of Sports Medicine, U of Miami, Coral Gables, FL 33146, USA.
| | - Eric Lespessaille
- Department of Sciences, University of Orleans, I3MTO, EA 4708, Orleans F-45032, France.
- EA4708/I3MTO, Service de Rhumatologie, Centre Hospitalier Régional d'Orléans, La Source 45000, France.
| | - Hechmi Toumi
- Department of Sciences, University of Orleans, I3MTO, EA 4708, Orleans F-45032, France.
- EA4708/I3MTO, Service de Rhumatologie, Centre Hospitalier Régional d'Orléans, La Source 45000, France.
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13
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Li X, Zhang J, Kawazoe N, Chen G. Fabrication of Highly Crosslinked Gelatin Hydrogel and Its Influence on Chondrocyte Proliferation and Phenotype. Polymers (Basel) 2017; 9:E309. [PMID: 30970984 PMCID: PMC6418707 DOI: 10.3390/polym9080309] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 07/20/2017] [Accepted: 07/22/2017] [Indexed: 02/06/2023] Open
Abstract
Gelatin methacrylate (GelMA) hydrogels have been widely studied for biomedical applications, such as tissue engineering and drug delivery, because of their good biocompatibility and injectability. However, the quick degradation and low mechanical property of GelMA hydrogels need to be improved for further applications, especially for long-term implantation. In this study, a sequential double modification of gelatin was used to achieve high density of photocrosslinkable double bonds in gelatin derivatives. The amino groups in gelatin were first reacted with methacrylic anhydride. After this, the hydroxyl and carboxyl groups in gelatin were reacted with glycidyl methacrylate to obtain the double modified gelatin macromer. The double modified gelatin macromer was used to prepare gelatin hydrogels with high crosslinking density. The hydrogels exhibited high storage modulus and low degradation. Culture of bovine articular chondrocytes in the gelatin hydrogels showed that chondrocytes had round morphology and maintained a cartilaginous phenotype while cell proliferation was hampered. This method for increasing crosslinking density should be useful for preparation of stable hydrogels for cartilage tissue engineering.
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Affiliation(s)
- Xiaomeng Li
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan.
| | - Jing Zhang
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Naoki Kawazoe
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Guoping Chen
- Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
- Department of Materials Science and Engineering, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577, Japan.
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Yao Y, Huang Y, Qian D, Zhang S, Chen Y, Bai B. Effect of Various Ratios of Co‐Cultured ATDC5 Cells and Chondrocytes on the Expression of Cartilaginous Phenotype in Microcavitary Alginate Hydrogel. J Cell Biochem 2017; 118:3607-3615. [DOI: 10.1002/jcb.26218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 06/13/2017] [Indexed: 12/22/2022]
Affiliation(s)
- Yongchang Yao
- Department of Joint SurgeryThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou510120China
- Guangdong key laboratory of orthopaedic technology and implant materialsGuangzhou510120China
| | - Yuyang Huang
- Department of Joint SurgeryThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou510120China
- Guangdong key laboratory of orthopaedic technology and implant materialsGuangzhou510120China
| | - Dongyang Qian
- Department of Joint SurgeryThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou510120China
- Guangdong key laboratory of orthopaedic technology and implant materialsGuangzhou510120China
| | - Shujiang Zhang
- Department of Joint SurgeryThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou510120China
- Guangdong key laboratory of orthopaedic technology and implant materialsGuangzhou510120China
| | - Yi Chen
- Department of Joint SurgeryThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou510120China
- Guangdong key laboratory of orthopaedic technology and implant materialsGuangzhou510120China
| | - Bo Bai
- Department of Joint SurgeryThe First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou510120China
- Guangdong key laboratory of orthopaedic technology and implant materialsGuangzhou510120China
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15
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Li X, Chen Y, Kawazoe N, Chen G. Influence of microporous gelatin hydrogels on chondrocyte functions. J Mater Chem B 2017; 5:5753-5762. [PMID: 32264209 DOI: 10.1039/c7tb01350g] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Hydrogels can provide biomimetic three-dimensional microenvironments for transplanted cells and are attractive scaffolds for cartilage tissue engineering. In this study, gelatin hydrogels with microporous structures were prepared and their effects on chondrocyte functions were compared with gelatin hydrogels without microporous structures. Gelatin bulk hydrogels were prepared by photo-initiated crosslinking of gelatin methacrylate macromers. Micropores were formed in the bulk hydrogels by dissolution of gelatin microgels prepared by a cutting method. Chondrocytes cultured in gelatin hydrogels without microporous structures showed high expression and production of cartilaginous matrices and low cell proliferation. Chondrocytes cultured in gelatin hydrogels with microporous structures tended to migrate from bulk hydrogel matrices to the micropores. Chondrocytes in the microporous hydrogels showed higher proliferation and lower expression and production of cartilaginous matrices than did the chondrocytes cultured in hydrogels without microporous structures. Gelatin hydrogels without microporous structures facilitated maintenance of the cartilaginous phenotype of the chondrocytes while microporous gelatin hydrogels were beneficial for cell proliferation.
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Affiliation(s)
- Xiaomeng Li
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
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16
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Liu J, Yu C, Chen Y, Cai H, Lin H, Sun Y, Liang J, Wang Q, Fan Y, Zhang X. Fast fabrication of stable cartilage-like tissue using collagen hydrogel microsphere culture. J Mater Chem B 2017; 5:9130-9140. [DOI: 10.1039/c7tb02535a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Fabrication of cartilage-like tissue by mimicking chondrogenesis of MSCs in collagen hydrogel microsphere (CHM) culture.
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Affiliation(s)
- Jun Liu
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Cheng Yu
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Yafang Chen
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Hanxu Cai
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Hai Lin
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Yong Sun
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Jie Liang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Qiguang Wang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials
- Sichuan University
- Chengdu 610064
- China
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17
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Man Z, Hu X, Liu Z, Huang H, Meng Q, Zhang X, Dai L, Zhang J, Fu X, Duan X, Zhou C, Ao Y. Transplantation of allogenic chondrocytes with chitosan hydrogel-demineralized bone matrix hybrid scaffold to repair rabbit cartilage injury. Biomaterials 2016; 108:157-67. [DOI: 10.1016/j.biomaterials.2016.09.002] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 08/31/2016] [Accepted: 09/02/2016] [Indexed: 02/06/2023]
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18
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Niemeyer P, Laute V, John T, Becher C, Diehl P, Kolombe T, Fay J, Siebold R, Niks M, Fickert S, Zinser W. The Effect of Cell Dose on the Early Magnetic Resonance Morphological Outcomes of Autologous Cell Implantation for Articular Cartilage Defects in the Knee: A Randomized Clinical Trial. Am J Sports Med 2016; 44:2005-14. [PMID: 27206690 DOI: 10.1177/0363546516646092] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Although autologous chondrocyte implantation (ACI) has been established as a standard treatment for large full-thickness cartilage defects, the effect of different doses of autologous chondrocyte products on structural outcomes has never been examined. HYPOTHESIS In ACI, the dose level may have an influence on medium-term magnetic resonance morphological findings after treatment. STUDY DESIGN Randomized controlled trial; Level of evidence, 1. METHODS A total of 75 patients who underwent ACI using a pure, autologous, third-generation matrix-associated ACI product were divided into 3 groups representing different doses: 3 to 7 spheroids/cm(2), 10 to 30 spheroids/cm(2), and 40 to 70 spheroids/cm(2). Magnetic resonance imaging was performed at 1.5, 3, 6, and 12 months after ACI and was evaluated by the magnetic resonance observation of cartilage repair tissue (MOCART) score and the Knee injury and Osteoarthritis Outcome Score (KOOS). RESULTS MOCART scores showed improvements after 3 months, with slight dose dependence, and further improvement after 12 months, although without significant dose dependence. The mean MOCART scores after 3 months (0 = worst, 100 = best) were 59.8, 64.5, and 64.7 for the low-, medium-, and high-dose groups, respectively, and 62.9 for all patients; at 12 months, these were 74.1, 74.5, and 68.8 for the respective dose groups and 72.4 for all patients. Several MOCART items (surface of repair tissue, structure of repair tissue, signal intensity of repair tissue, subchondral bone, and synovitis) showed a more rapid response with the medium and high doses than with the low dose, suggesting a potential dose relationship. No significant correlation between the MOCART (overall and subscores) with clinical outcomes as assessed by the overall KOOS was detected at 3- and 12-month assessments. CONCLUSION This study reveals a trend toward earlier recovery after treatment with higher spheroid doses in terms of better defect filling for full-thickness cartilage defects of the knee, while outcomes after 12 months were similar in all dose groups. However, a correlation with clinical outcomes or the failure rate at 1 year after ACI was not found. A longer follow-up will be required for more definite conclusions on the clinical relevance of ACI cell density to be drawn. REGISTRATION NCT01225575 (ClinicalTrials.gov identifier); 2009-016816-20 (EudraCT number).
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Affiliation(s)
- Philipp Niemeyer
- Department of Orthopedic Surgery and Traumatology, Freiburg University Hospital, Freiburg, Germany
| | | | - Thilo John
- Clinic for Traumatology and Orthopedic Surgery, DRK Hospital Berlin Westend, Berlin, Germany
| | - Christoph Becher
- Department of Orthopedic Surgery, Medical University Annastift Hannover, Hannover, Germany
| | - Peter Diehl
- Department of Orthopedic Surgery, University of Rostock, Rostock, Germany
| | - Thomas Kolombe
- Traumatology and Reconstructive Surgery, DRK Hospital Luckenwalde, Luckenwalde, Germany
| | - Jakob Fay
- Department of Traumatology and Arthroscopic Surgery, Lubinus Clinicum Kiel, Kiel, Germany
| | - Rainer Siebold
- Center for Hip, Knee and Foot Surgery, ATOS Clinic Heidelberg, Heidelberg, Germany
| | - Milan Niks
- Department of Orthopedic Surgery and Traumatology, Mannheim University Hospital, Mannheim, Germany
| | | | - Wolfgang Zinser
- Department of Orthopedic Surgery and Traumatology, St Vinzenz-Hospital Dinslaken, Dinslaken, Germany
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19
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You F, Wu X, Zhu N, Lei M, Eames BF, Chen X. 3D Printing of Porous Cell-Laden Hydrogel Constructs for Potential Applications in Cartilage Tissue Engineering. ACS Biomater Sci Eng 2016; 2:1200-1210. [DOI: 10.1021/acsbiomaterials.6b00258] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
| | | | - Ning Zhu
- Canadian Light Source Inc., 44
Innovation Boulevard, Saskatoon, Saskatchewan S7N 2 V3, Canada
| | - Ming Lei
- FEI Visualization Sciences Group, 16700 Park Row Drive, Houston, Texas 77084, United States
| | - B. Frank Eames
- Department
of Anatomy and Cell Biology, College of Medicine, University of Saskatchewan 107 Wiggins Road, Saskatoon, Saskatchewan S7N 5E5, Canada
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20
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Yao Y, Zeng L, Huang Y. The enhancement of chondrogenesis of ATDC5 cells in RGD-immobilized microcavitary alginate hydrogels. J Biomater Appl 2016; 31:92-101. [PMID: 27000189 DOI: 10.1177/0885328216640397] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In our previous work, we have developed an effective microcavitary alginate hydrogel for proliferation of chondrocytes and maintenance of chondrocytic phenotype. In present work, we investigated whether microcavitary alginate hydrogel could promote the chondrogenesis of progenitor cells. Moreover, we attempted to further optimize this system by incorporating synthetic Arg-Gly-Asp peptide. ATDC5 cells were seeded into microcavitary alginate hydrogel with or without Arg-Gly-Asp immobilization. Cell Counting Kit-8 and live/dead staining were conducted to analyze cell proliferation. Real-time polymerase chain reaction (RT-PCR), hematoxylin and eosin, and Toluidine blue O staining as well as Western blot assay was performed to evaluate the cartilaginous markers at transcriptional level and at protein level, respectively. The obtained data demonstrated that Arg-Gly-Asp-immobilized microcavitary alginate hydrogel was preferable to promote the cell proliferation. Also, Arg-Gly-Asp-immobilized microcavitary alginate hydrogel improved the expression of chondrocytic genes including Collagen II and Aggrecan when compared with microcavitary alginate hydrogel. The results suggested that microcavitary alginate hydrogel could promote the chondrogenesis. And Arg-Gly-Asp would be promising to ameliorate this culture system for cartilage tissue engineering.
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Affiliation(s)
- Yongchang Yao
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials
| | - Lei Zeng
- School of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Yuyang Huang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials
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